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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Nannfeldt, J A
    Type: Article
    In: Rhodora
    Volume: 40
    Date: 1938
    Page Range: 464--464
    Publication Info: [Cambridge, Mass., etc.], New England Botanical Club [etc.],
  2. By: Nannfeldt, J A
    Type: Article
    In: Journal of the Arnold Arboretum
    Volume: 20
    Issue: 1
    Date: 1939
    Page Range: 138--138
    Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-